import Vue from 'vue'
import Router from 'vue-router'
import Login from './components/Login.vue'
import Home from './components/Home.vue'
import Welcome from './components/Welcome.vue'
import Users from './components/user/Users.vue'
import Rights from './components/power/Rights.vue'
import Roles from './components/power/Roles.vue'
import Cate from './components/goods/Cate.vue'
import Params from './components/goods/Params.vue'
Vue.use(Router)
const router = new Router({
  routes: [
    { path: '/', redirect: { name: 'login' } },
    { path: '/login', component: Login, name: 'login' },
    {
      path: '/home',
      redirect: '/welcome',
      component: Home,
      children: [
        { path: '/welcome', component: Welcome },
        { path: '/users', component: Users },
        { path: '/rights', component: Rights },
        { path: '/roles', component: Roles },
        { path: '/categories', component: Cate },
        { path: '/params', component: Params },
      ]
    }
  ]
})
//设置路由导航守卫
router.beforeEach((to, from, next) => {
  // to要去的页面 from从哪里来 next放行 
  if (to.path == '/login') return next();
  const token = window.sessionStorage.getItem('token');
  if (!token) return next('/login');
  next();
})
export default router
